Home / 43,121.60-64,677.85-11,534.85

Finding the Fourth Proportional to 43,121.60, 64,677.85 and 11,534.85

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Solution

The fourth proportional to 43,121.60, 64,677.85 and 11,534.85 is: 17,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,121.60 : 64,677.85 = 11,534.85 : x
  2. Step 2: Convert to fraction form
    43,121.60/64,677.85 = 11,534.85/x
  3. Step 3: Cross multiply
    43,121.60x = 64,677.85 × 11,534.85
  4. Step 4: Simplify right side
    43,121.60x = 746,049,026.69
  5. Step 5: Solve for x
    x = 746,049,026.69/43,121.60
  6. Step 6: Final answer
    x = 17,301.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.